Loudspeaker



FIG. 1 is a perspective view of a loudspeaker;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a perspective view thereof. The broken line showing of another loudspeaker is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a loudspeaker, as shown and described. 